Update README.md

release otelslog/v0.2.0

[enhancement] add couple missing zapcore types (#18)

fix(otelzap): preserve logs level on method With (#16)

Co-authored-by: Aleksandr Nekrasov <[email protected]>

feat: Add minimal log level support to OpenTelemetry Core (#11)

release otelslog/0.1.1

feat(otelslog): WithGroup, With Attrs and log level added (#8)

docs: simplifying docs on library usage (#6)

Co-authored-by: Aleksandr Nekrasov <[email protected]>

release otelzap/v0.2.0 (#7)

move otelzap from agoda-com/otelzap